Physics AB Test Flashcards
1
Q
Does Mars have a greater gravitational field strength on Earth?
A
Mars is less than on Earth, Therefore unbalanced forces are less on mars.
Less:Less
2
Q
A child throws a stone into a river from a bridge
A
v=gt Calculate Velocity
3
Q
Calculate the height of the bridge
A
In this case Distance = the average velocity divided by 2, X the time
4
Q
2 Cons about space travel exploration
A
Very expensive to do and take off and reentry is very dangerous and if they go wrong can lead in many deaths
5
Q
How lightyears work
A
6
Q
Speed of light
A
299,792,458m/s
7
Q
Distance of a lightyear
A
9.461e+15
8
Q
How to calculate acceleration
A
9
Q
Name 4 celestial objects
A
- Universe
- Stars
- Galaxies
- Solar systems
10
Q
2 Pros about space exploration
A
Colonisation and possible material gathering